SymbOS.Cdropper.E

Risk Level 1: Very Low

SymbOS.Cdropper.E is a Trojan Horse that runs on the Symbian OS, which is used as the operating system for Nokia Series 60 cellular telephones. It drops the SymbOS.Cabir.B worm and SymbOS.Locknut Trojan to the compromised device.

Note: Virus definitions dated June 28, 2006 or earlier may detect this threat as SymbOS.Locknut.

The Trojan reportedly arrives as VirusServer.sis. If a user opens this file, the phone installer will display a dialog to warn users that the application may be coming from an untrusted source and may cause potential problems.

Antivirus Protection Dates

Initial Rapid Release version June 29, 2006

Latest Rapid Release version March 3, 2008 revision 035

Initial Daily Certified version June 29, 2006

Latest Daily Certified version March 3, 2008 revision 037

Initial Weekly Certified release date July 5, 2006

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